Home / 98,453.10-147,501.36-45,189.54

Finding the Fourth Proportional to 98,453.10, 147,501.36 and 45,189.54

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Solution

The fourth proportional to 98,453.10, 147,501.36 and 45,189.54 is: 67,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,453.10 : 147,501.36 = 45,189.54 : x
  2. Step 2: Convert to fraction form
    98,453.10/147,501.36 = 45,189.54/x
  3. Step 3: Cross multiply
    98,453.10x = 147,501.36 × 45,189.54
  4. Step 4: Simplify right side
    98,453.10x = 6,665,518,607.77
  5. Step 5: Solve for x
    x = 6,665,518,607.77/98,453.10
  6. Step 6: Final answer
    x = 67,702.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.